BGment 40 Inch Thermal Blackout Curtains for Small Window, Dark Grey

In this review the BGment 40 inch thermal blackout curtains are evaluated as a practical, affordable solution for anyone who needs true light control and basic thermal insulation. The strongest reason to buy is straightforward: these panels deliver a genuine 100% blackout effect thanks to a double layer with a thick sewn black lining, which makes them especially useful for shift workers, babies, media rooms, and light-sensitive sleepers who need daytime darkness.

Key Features

• Double layer construction: The two-layer triple weave fabric with a sewn black lining blocks daylight completely for undisturbed sleep and media viewing.
• Thermal insulation: The lined panels help retain indoor temperature by reducing heat transfer in summer and cold drafts in winter.
• Noise damping: Heavier than single-layer curtains, they absorb sound better to create a quieter room for rest or concentration.
• Flexible hanging options: A 3 in rod pocket plus six back tabs allow three different hanging styles for varied visual effects without extra hardware.
• Complete set sizing: Two panels come in each order, each 42 in wide by 40 in long for a total width of 84 in to cover small windows fully.

Who It's For

These curtains are best for people who need total darkness in small window openings - parents of young children, night shift workers, and anyone using a media or gaming room who wants to eliminate glare. The heavy fabric and thermal lining also suit homeowners looking to reduce heating and cooling loss without installing more complex window treatments.

Those with tall windows or decorative rod treatments seeking grommets or eyelets should look elsewhere, since these panels are designed with a rod pocket and back tabs and measure 40 in long; customers needing custom lengths or sheer daytime filtering may prefer different styles.

Pros & Cons

Pros

• Reliable light blockage that creates a true no-light space for sleep and media viewing.
• Noticeable heat retention benefits that can help reduce energy loss across seasons.
• Good material quality and a heavy weight that reads as premium in appearance and feel.
• Includes two panels for full window coverage and flexible hanging options.

Cons

• Length is limited to 40 in, so not suitable for taller windows without hemming or alternative sizes.
• The heavier fabric may require a sturdy rod and can look bulky on very small frames.

Specifications

Our Verdict

The BGment 40 in thermal blackout curtains are a smart, value-driven pick for small windows where true darkness and improved temperature control matter. They perform well at blocking light and reducing heat transfer, look substantial and refined, and include flexible hanging options; buyers with standard or short window heights will find them especially good value.

Frequently Asked Questions

Do these curtains really block all light?
Yes, the double layer with a thick sewn black lining is designed to provide 100% blackout for effective daytime darkness.

Will they help with energy savings?
The thermal lining reduces heat transfer, helping retain cool air in summer and warmth in winter to lower energy loss.

How are they hung?
Each panel has a 3 in rod pocket and six back tabs, allowing three hanging methods for different visual effects.